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Integral tanks are ___________(a) cavities within the aircraft’s airframe itself(b) external tanks needs to be fabricated(c) external tanks required to put in the airframe(d) there is no such type of fuel tankThis question was addressed to me in an online interview.My question is taken from Fuel System topic in division Propulsion and Fuel System Integration of Aircraft Design

Answer»

The correct option is (a) cavities within the aircraft’s airframe itself

Easy explanation: As NAME suggests a TYPICAL INTEGRAL tank is an integral part of the aircraft itself. Integral tanks are cavities within the structure of airframe. These cavities are then SEALED in order to FORM a fuel tank. Integral tanks are not external tanks.



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